.container 
  min-height 100%;
  position relative
  display flex
  flex-direction: column
.nav__container
  display flex
  margin-bottom 20px
  height: 35px;
  min-height: 35px;
.nav__item
  width 130px
  height 30px
  line-height 30px
  text-align center
  cursor pointer
  border-bottom: 5px solid red
  background #fff
.nav__item--active
  background red
  color #ffffff
.page_box
  display: flex;
  justify-content:center;
.table__contaienr
  flex: 1